ASME B16.5 Flanges Robert-James Sales, Inc

Class 300, Welding Neck, Slip-On and Threaded

B16.47, Ser. A

ASME B16.5 FlangesWeld Neck, Slip-On, Socket Weld, Threaded, Lap Joint, Blind.

1/2" - 24" Class 150, 300, 400, 600, 900, 1500 and 2500NOTE: Reducing flanges are available in all types and pressures.To order a reducing flange, state the smaller size first, then theoutside diameter of the larger size. Example: 1" X 71⁄2" O.D.150 SO RF reducing would be a 3" X 1" Slip-on, Raised FacedReducing. Or, to simplify, just state the actual pipe sizes in orderof larger to smaller. Example: 3" X 1" Slip-on, Raised Faced,Reducing.

3

Robert-James Sales, Inc.

Unknown

Unknown

Unknown

Class 150

ASME B16.5

4

Nominal Size Outside

Dia. O

Thk.C

RaisedFaceDia.R

FilletRadius

r

WeldingNeck

SocketB1

Slip-onB2

LapJoint

B3

WeldingNeck

Y1

Slip-onSocket

Y2

LapJoint

Y3

1/2 3.50 0.44 1.38 0.12 0.88 0.90 1.88 0.62 0.623/4 3.88 0.50 1.69 0.12 1.09 1.11 2.06 0.62 0.62

1 4.25 0.56 2.00 0.12 1.36 1.38 2.19 0.69 0.691 1/4 4.62 0.62 2.50 0.19 1.70 1.72 2.25 0.81 0.811 1/2 5.00 0.69 2.88 0.25 1.95 1.97 2.44 0.88 0.882 6.00 0.75 3.62 0.31 2.44 2.46 2.50 1.00 1.002 1/2 7.00 0.88 4.12 0.31 2.94 2.97 2.75 1.12 1.123 7.50 0.94 5.00 0.38 3.57 3.60 2.75 1.19 1.193 1/2 8.50 0.94 5.50 0.38 4.07 4.10 2.81 1.25 1.254 9.00 0.94 6.19 0.44 4.60 4.60 3.00 1.31 1.315 10.00 0.94 7.31 0.44 5.66 5.69 3.50 1.44 1.446 11.00 1.00 8.50 0.50 6.72 6.75 3.50 1.56 1.568 13.50 1.12 10.62 0.50 8.72 8.75 4.00 1.75 1.75

10 16.00 1.19 12.75 0.50 10.88 10.92 4.00 1.94 1.9412 19.00 1.25 15.00 0.50 12.88 12.92 4.50 2.19 2.1914 21.00 1.38 16.25 0.50 14.14 14.18 5.00 2.25 3.1216 23.50 1.44 18.50 0.50 16.16 16.19 5.00 2.50 3.4418 25.00 1.56 21.00 0.50 18.18 18.20 5.50 2.69 3.8120 27.50 1.69 23.00 0.50 20.20 20.25 5.69 2.88 4.0624 32.00 1.88 27.25 0.50 24.25 24.25 6.00 3.25 4.38

Bore Length Thru HubCommon Dimensions

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Class 150

ASME B16.5

5

Min.ThreadLength

T

Depthof

SocketD

Dia.Hub atBevel

A

HubDia.

X

BoltCircle

Dia.Holes

No.Holes

WeldingNeck

Slip-onThrd.

Sock. W.Blind

LapJoint

Nominal Size

0.62 0.38 0.84 1.19 2.38 0.62 4 2 1 1 1 1/2

0.62 0.44 1.05 1.50 2.75 0.62 4 2 2 2 2 3/4

0.69 0.50 1.32 1.94 3.12 0.62 4 3 2 2 2 10.81 0.56 1.66 2.31 3.50 0.62 4 3 3 3 3 1 1/4

0.88 0.62 1.90 2.56 3.88 0.62 4 4 3 3 4 1 1/2

1.00 0.69 2.38 3.06 4.75 0.75 4 6 5 5 5 21.12 0.75 2.88 3.56 5.50 0.75 4 8 7 7 7 2 1/2

1.19 0.81 3.50 4.25 6.00 0.75 4 10 8 8 9 31.25 0.88 4.00 4.81 7.00 0.75 8 12 11 11 13 3 1/2

1.31 0.94 4.50 5.31 7.50 0.75 8 15 13 13 17 41.44 0.94 5.56 6.44 8.50 0.88 8 19 15 15 20 51.56 1.06 6.63 7.56 9.50 0.88 8 24 19 19 26 61.75 1.25 8.63 9.69 11.75 0.88 8 39 30 30 45 81.94 1.31 10.75 12.00 14.25 1.00 12 52 43 43 70 102.19 1.56 12.75 14.38 17.00 1.00 12 80 64 64 110 122.25 1.63 14.00 15.75 18.75 1.12 12 110 90 105 140 142.50 1.75 16.00 18.00 21.25 1.12 16 140 98 140 180 162.69 1.94 18.00 19.88 22.75 1.25 16 150 130 160 220 182.88 2.13 20.00 22.00 25.00 1.25 20 180 165 195 285 203.25 2.50 24.00 26.12 29.50 1.38 20 260 220 275 430 24

Drilling Approx. Weight

(1/2" TO 3" ONLY)

Class 300

ASME B16.5

6


Dia. O

Thk.C

RaisedFaceDia.R

FilletRadius

r

WeldingNeck

SocketB1

Slip-onB2

LapJoint

B3

WeldingNeck

Y1

Slip-onSocket

Y2

LapJoint

Y3

1/2 3.75 0.56 1.38 0.12 0.88 0.90 2.06 0.88 0.883/4 4.62 0.62 1.69 0.12 1.09 1.11 2.25 1.00 1.00

1 4.88 0.69 2.00 0.12 1.36 1.38 2.44 1.06 1.061 1/4 5.25 0.75 2.50 0.19 1.70 1.72 2.56 1.06 1.061 1/2 6.12 0.81 2.88 0.25 1.95 1.97 2.69 1.19 1.192 6.50 0.88 3.62 0.31 2.44 2.46 2.75 1.31 1.312 1/2 7.50 1.00 4.12 0.31 2.94 2.97 3.00 1.50 1.503 8.25 1.12 5.00 0.38 3.57 3.60 3.12 1.69 1.693 1/2 9.00 1.19 5.50 0.38 4.07 4.10 3.19 1.75 1.754 10.00 1.25 6.19 0.44 4.57 4.60 3.38 1.88 1.885 11.00 1.38 7.31 0.44 5.66 5.69 3.88 2.00 2.006 12.50 1.44 8.50 0.50 6.72 6.75 3.88 2.06 2.068 15.00 1.62 10.62 0.50 8.72 8.75 4.38 2.44 2.44

10 17.50 1.88 12.75 0.50 10.88 10.92 4.62 2.62 3.7512 20.50 2.00 15.00 0.50 12.88 12.92 5.12 2.88 4.0014 23.00 2.12 16.25 0.50 14.14 14.18 5.62 3.00 4.3816 25.50 2.25 18.50 0.50 16.16 16.19 5.75 3.25 4.7518 28.00 2.38 21.00 0.50 18.18 18.20 6.25 3.50 5.1220 30.50 2.50 23.00 0.50 20.20 20.25 6.38 3.75 5.5024 36.00 2.75 27.25 0.50 24.25 24.25 6.62 4.19 6.00


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Class 300

ASME B16.5

7

Min.ThreadLength

T

Dia.Counter

Bore Thd.Q

Depthof

SocketD

Dia.Hub atBevel

A

HubDia.

X

BoltCircle

Dia.Holes

No.Holes

WeldingNeck

Slip-onThrd.

Sock. W.Blind

LapJoint

Nominal Size

0.62 0.93 0.38 0.84 1.50 2.62 0.62 4 2 2 2 2 1/2

0.62 1.14 0.44 1.05 1.88 3.25 0.75 4 3 3 3 3 3/4

0.69 1.41 0.50 1.32 2.12 3.50 0.75 4 4 3 3 3 10.81 1.75 0.56 1.66 2.50 3.88 0.75 4 5 4 4 4 1 1/4

0.88 1.98 0.62 1.90 2.75 4.50 0.88 4 7 6 6 6 1 1/2

1.12 2.50 0.69 2.38 3.31 5.00 0.75 8 9 7 7 8 21.25 3.00 0.75 2.88 3.94 5.88 0.88 8 12 10 10 12 2 1/2

1.25 3.63 0.81 3.50 4.62 6.62 0.88 8 15 13 13 16 31.44 4.13 0.88 4.00 5.25 7.25 0.88 8 18 17 17 21 3 1/2

1.44 4.63 0.94 4.50 5.75 7.88 0.88 8 25 22 22 27 41.69 5.69 0.94 5.56 7.00 9.25 0.88 8 32 28 28 35 51.81 6.75 1.06 6.62 8.12 10.62 0.88 12 42 39 39 50 62.00 8.75 1.25 8.62 10.25 13.00 1.00 12 67 58 58 81 82.19 10.88 1.31 10.75 12.62 15.25 1.12 16 91 81 91 124 102.38 12.94 1.56 12.75 14.75 17.75 1.25 16 140 115 140 185 122.50 14.19 1.62 14.00 16.75 20.25 1.25 20 180 165 190 250 142.69 16.19 1.75 16.00 19.00 22.50 1.38 20 250 190 250 295 162.75 18.19 1.94 18.00 21.00 24.75 1.38 24 320 250 295 395 182.88 20.19 2.12 20.00 23.12 27.00 1.38 24 400 315 370 505 203.25 24.19 2.50 24.00 27.62 32.00 1.62 24 580 475 550 790 24


(1/2" TO 3" ONLY)

Class 400

ASME B16.5

8


Dia. O

Thk.C

RaisedFaceDia.R

FilletRadius

r

WeldingNeck

SocketB1

Slip-onB2

LapJoint

B3

WeldingNeck

Y1

Slip-onSocket

Y2

LapJoint

Y3

SIZES 1/2" THRU 31/2"4 10.00 1.38 6.19 0.44 4.57 4.60 3.50 2.00 2.005 11.00 1.50 7.31 0.44 5.66 5.69 4.00 2.12 2.126 12.50 1.62 8.50 0.50 6.72 6.75 4.06 2.25 2.258 15.00 1.88 10.62 0.50 8.72 8.75 4.62 2.69 2.6910 17.50 2.12 12.75 0.50 10.88 10.92 4.88 2.88 4.0012 20.50 2.25 15.00 0.50 12.88 12.92 5.38 3.12 4.2514 23.00 2.38 16.25 0.50 14.14 14.18 5.88 3.31 4.6216 25.50 2.50 18.50 0.50 16.16 16.19 6.00 3.69 5.0018 28.00 2.62 21.00 0.50 18.18 18.20 6.50 3.88 5.3820 30.50 2.75 23.00 0.50 20.20 20.25 6.62 4.00 5.7524 36.00 3.00 27.25 0.50 24.25 24.25 6.88 4.50 6.62


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Thickness and length through hub do not include 1/4" raised face.

Class 400

ASME B16.5

9

Min.ThreadLength

T

Dia.Hub atBevel

A

HubDia.

X

BoltCircle

Dia.Holes

No.Holes

WeldingNeck

Slip-onThrd.

Sock. W.Blind

LapJoint

Nominal Size


See 300 Class dimensions for dimensions “Q” and “D”.

ARE IDENTICAL WITH CLASS 6001.44 4.50 5.75 7.88 1.00 8 35 26 25 33 41.69 5.56 7.00 9.25 1.00 8 43 31 29 44 51.81 6.63 8.12 10.62 1.00 12 57 44 42 61 62.00 8.63 10.25 13.00 1.12 12 89 67 64 100 82.19 10.75 12.62 15.25 1.25 16 125 91 110 155 102.38 12.75 14.75 17.75 1.38 16 175 130 150 225 122.50 14.00 16.75 20.25 1.38 20 230 180 205 290 142.69 16.00 19.00 22.50 1.50 20 295 235 260 370 162.75 18.00 21.00 24.75 1.50 24 350 285 315 455 182.88 20.00 23.12 27.00 1.62 24 425 345 385 587 203.25 24.00 27.62 32.00 1.88 24 620 510 570 890 24

(1/2" TO 3" ONLY)

Class 600

ASME B16.5

10


Dia. O

Thk.C

RaisedFaceDia.R

FilletRadius

r

WeldingNeck

SocketB1

Slip-onB2

LapJoint

B3

WeldingNeck

Y1

Slip-onSocket

Y2

LapJoint

Y3

1/2 3.75 0.56 1.38 0.12 0.88 0.90 2.06 0.88 0.883/4 4.62 0.62 1.69 0.12 1.09 1.11 2.25 1.00 1.00

1 4.88 0.69 2.00 0.12 1.36 1.38 2.44 1.06 1.061 1/4 5.25 0.81 2.50 0.19 1.70 1.72 2.62 1.12 1.121 1/2 6.12 0.88 2.88 0.25 1.95 1.97 2.75 1.25 1.252 6.50 1.00 3.62 0.31 2.44 2.46 2.88 1.44 1.442 1/2 7.50 1.12 4.12 0.31 2.94 2.97 3.12 1.62 1.623 8.25 1.25 5.00 0.38 3.57 3.60 3.25 1.81 1.813 1/2 9.00 1.38 5.50 0.38 4.07 4.10 3.38 1.94 1.944 10.75 1.50 6.19 0.44 4.57 4.60 4.00 2.12 2.125 13.00 1.75 7.31 0.44 5.66 5.69 4.50 2.38 2.386 14.00 1.88 8.50 0.50 6.72 6.75 4.62 2.62 2.628 16.50 2.19 10.62 0.50 8.72 8.75 5.25 3.00 3.00

10 20.00 2.50 12.75 0.50 10.88 10.92 6.00 3.38 4.3812 22.00 2.62 15.00 0.50 12.88 12.92 6.12 3.62 4.6214 23.75 2.75 16.25 0.50 14.14 14.18 6.50 3.69 5.0016 27.00 3.00 18.50 0.50 16.16 16.19 7.00 4.19 5.5018 29.25 3.25 21.00 0.50 18.18 18.20 7.25 4.62 6.0020 32.00 3.50 23.00 0.50 20.20 20.25 7.50 5.00 6.5024 37.00 4.00 27.25 0.50 24.25 24.25 8.00 5.50 7.25


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Class 600

ASME B16.5

11

Min.ThreadLength

T

Depthof

SocketD

Dia.Hub atBevel

A

HubDia.

X

BoltCircle

Dia.Holes

No.Holes

WeldingNeck

Slip-onThrd.

Sock. W.Blind

LapJoint

Nominal Size

0.62 0.38 0.84 1.50 2.62 0.62 4 2 2 2 2 1/2

0.62 0.44 1.05 1.88 3.25 0.75 4 4 3 3 3 3/4

0.69 0.50 1.32 2.12 3.50 0.75 4 4 4 4 4 1 0.81 0.56 1.66 2.50 3.88 0.75 4 6 5 5 5 1 1/4

0.88 0.62 1.90 2.75 4.50 0.88 4 8 7 7 8 1 1/2

1.12 0.69 2.38 3.31 5.00 0.75 8 12 9 9 10 2 1.25 0.75 2.88 3.94 5.88 0.88 8 18 13 12 15 2 1/2

1.38 0.81 3.50 4.62 6.62 0.88 8 23 16 15 20 3 1.56 0.88 4.00 5.25 7.25 1.00 8 26 21 20 29 3 1/2

1.62 0.94 4.50 6.00 8.50 1.00 8 42 37 36 41 4 1.88 0.94 5.56 7.44 10.50 1.12 8 68 63 61 68 5 2.00 1.06 6.62 8.75 11.50 1.12 12 81 80 78 86 6 2.25 1.25 8.62 10.75 13.75 1.25 12 120 115 110 140 8 2.56 1.31 10.75 13.50 17.00 1.38 16 190 170 170 230 10 2.75 1.56 12.75 15.75 19.25 1.38 20 225 200 200 295 12 2.88 1.62 14.00 17.00 20.75 1.50 20 280 230 250 355 143.06 1.75 16.00 19.50 23.75 1.62 20 390 330 365 495 16 3.12 1.94 18.00 21.50 25.75 1.75 20 475 400 435 630 18 3.25 2.12 20.00 24.00 28.50 1.75 24 590 510 570 810 203.62 2.50 24.00 28.25 33.00 2.00 24 830 730 810 1250 24



(1/2" TO 3" ONLY)


Class 900

ASME B16.5

12


Dia. O

Thk.C

RaisedFaceDia.R

FilletRadius

r

WeldingNeck

SocketB1

Slip-onB2

LapJoint

B3

WeldingNeck

Y1

Slip-onSocket

Y2

LapJoint

Y3

SIZES 1/2" THRU 21/2"3 9.50 1.50 5.00 0.38 3.57 3.60 4.00 2.12 2.124 11.50 1.75 6.19 0.44 4.57 4.60 4.50 2.75 2.755 13.75 2.00 7.31 0.44 5.66 5.69 5.00 3.13 3.136 15.00 2.19 8.50 0.50 6.72 6.75 5.50 3.38 3.388 18.50 2.50 10.62 0.50 8.72 8.75 6.38 4.00 4.50

10 21.50 2.75 12.75 0.50 10.88 10.92 7.25 4.25 5.0012 24.00 3.12 15.00 0.50 12.88 12.92 7.88 4.62 5.6214 25.25 3.38 16.25 0.50 14.14 14.18 8.38 5.12 6.1216 27.75 3.50 18.50 0.50 16.16 16.19 8.50 5.25 6.5018 31.00 4.00 21.00 0.50 18.18 18.20 9.00 6.00 7.5020 33.75 4.25 23.00 0.50 20.20 20.25 9.75 6.25 8.2524 41.00 5.50 27.25 0.50 24.25 24.25 11.50 8.00 10.50


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Class 900

ASME B16.5

13

Min.ThreadLength

T

Dia.Hub atBevel

A

HubDia.

X

BoltCircle

Dia.Holes

No.Holes

WeldingNeck

Slip-onThrd.

Sock. W.Blind

LapJoint

Nominal Size



ARE IDENTICAL WITH CLASS 6001.62 3.50 5.00 7.50 1.00 8 31 26 25 29 31.88 4.50 6.25 9.25 1.25 8 53 53 51 54 42.12 5.56 7.50 11.00 1.38 8 86 83 81 87 52.25 6.63 9.25 12.50 1.25 12 110 110 105 115 62.50 8.63 11.75 15.50 1.50 12 175 170 190 200 82.81 10.75 14.50 18.50 1.50 16 260 245 275 290 103.00 12.75 16.50 21.00 1.50 20 325 325 370 415 123.25 14.00 17.75 22.00 1.62 20 400 400 415 520 143.38 16.00 20.00 24.25 1.75 20 495 425 465 600 163.50 18.00 22.25 27.00 2.00 20 680 600 650 850 183.62 20.00 24.50 29.50 2.12 20 830 730 810 1075 204.00 24.00 29.50 35.50 2.62 20 1500 1400 1550 2025 24

(1/2" TO 3" ONLY)

Class 1500

ASME B16.5

14


Dia. O

Thk.C

RaisedFaceDia.R

FilletRadius

r

WeldingNeck

SocketB1

Slip-onB2

LapJoint

B3

WeldingNeck

Y1

Slip-onSocket

Y2

LapJoint

Y3

1/2 4.75 0.88 1.38 0.12 0.88 0.90 2.38 1.25 1.253/4 5.12 1.00 1.69 0.12 1.09 1.11 2.75 1.38 1.38

1 5.88 1.12 2.00 0.12 1.36 1.38 2.88 1.62 1.621 1/4 6.25 1.12 2.50 0.19 1.70 1.72 2.88 1.62 1.621 1/2 7.00 1.25 2.88 0.25 1.95 1.97 3.25 1.75 1.752 8.50 1.50 3.62 0.31 2.44 2.46 4.00 2.25 2.252 1/2 9.62 1.63 4.12 0.31 2.94 2.97 4.12 2.50 2.503 10.50 1.88 5.00 0.38 3.57 3.60 4.62 2.88 2.884 12.25 2.12 6.19 0.44 4.57 4.60 4.88 3.56 3.565 14.75 2.88 7.31 0.44 5.66 5.69 6.12 4.12 4.126 15.50 3.25 8.50 0.50 6.72 6.75 6.75 4.69 4.698 19.00 3.62 10.62 0.50 8.72 8.75 8.38 5.62 5.62

10 23.00 4.25 12.75 0.50 10.88 10.92 10.00 6.25 7.0012 26.50 4.88 15.00 0.50 12.88 12.92 11.12 7.12 8.6214 29.50 5.25 16.25 0.50 14.14 14.18 11.75 .— 9.5016 32.50 5.75 18.50 0.50 16.16 16.19 12.25 .— 10.2518 36.00 6.38 21.00 0.50 18.18 18.20 12.88 .— 10.8820 38.75 7.00 23.00 0.50 20.20 20.25 14.00 .— 11.5024 46.00 8.00 27.25 0.50 24.25 24.25 16.00 .— 13.00


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Class 1500

ASME B16.5

15

Min.ThreadLength

T

Depthof

SocketD

Dia.Hub atBevel

A

HubDia.

X

BoltCircle

Dia.Holes

No.Holes

WeldingNeck

Slip-onThrd.

Sock. W.Blind

LapJoint

Nominal Size

0.88 0.38 0.84 1.50 3.25 0.88 4 5 4 4 4 1/2

1.00 0.44 1.05 1.75 3.50 0.88 4 6 5 5 6 3/4

1.12 0.50 1.32 2.06 4.00 1.00 4 9 8 8 8 1 1.19 0.56 1.66 2.50 4.38 1.00 4 10 9 9 9 1 1/4

1.25 0.62 1.90 2.75 4.88 1.12 4 13 12 12 13 1 1/2

1.50 0.69 2.38 4.12 6.50 1.00 8 25 25 25 25 2 1.88 0.75 2.88 4.88 7.50 1.12 8 36 36 35 35 2 1/2

2.00 0.81 3.50 5.25 8.00 1.25 8 48 48 47 48 3 2.25 0.94 4.50 6.38 9.50 1.38 8 73 73 75 73 4 2.50 0.94 5.56 7.75 11.50 1.62 8 130 130 140 140 5 2.75 1.06 6.63 9.00 12.50 1.50 12 165 165 170 160 6 3.00 1.25 8.63 11.50 15.50 1.75 12 275 260 285 300 8 3.31 1.31 10.75 14.50 19.00 2.00 12 455 435 485 510 103.63 1.56 12.75 17.75 22.50 2.12 16 690 580 630 690 12.— 1.63 14.00 19.50 25.00 2.38 16 940 — 890 975 14.— 1.75 16.00 21.75 27.75 2.62 16 1250 — 1150 1300 16.— 1.94 18.00 23.50 30.50 2.88 16 1625 — 1475 1750 18.— 2.13 20.00 25.25 32.75 3.12 16 2050 — 1775 2225 20.— 2.50 24.00 30.00 39.00 3.62 16 3325 — 2825 3625 24



(1/2" TO 2 1/2" ONLY)

(1/2" TO 2 1/2" ONLY)

Class 2500

ASME B16.5

16Class 2500 Slip-Ons are not included in ASME B16.5 specifications.Thickness and length through hub do not include 1/4" raised face.


Dia. O

Thk.C

RaisedFaceDia.R

FilletRadius

r

WeldingNeck

SocketB1

Slip-onB2

LapJoint

B3

WeldingNeck

Y1

Slip-onSocket

Y2

LapJoint

Y3

1/2 5.25 1.19 1.38 0.12 0.88 0.90 2.88 1.56 1.563/4 5.50 1.25 1.69 0.12 1.09 1.11 3.12 1.69 1.69

1 6.25 1.38 2.00 0.12 1.36 1.38 3.50 1.88 1.881 1/4 7.25 1.50 2.50 0.19 1.70 1.72 3.75 2.06 2.061 1/2 8.00 1.75 2.88 0.25 1.95 1.97 4.38 2.38 2.382 9.25 2.00 3.62 0.31 2.44 2.46 5.00 2.75 2.752 1/2 10.50 2.25 4.12 0.31 2.94 2.97 5.62 3.12 3.123 12.00 2.62 5.00 0.38 3.57 3.60 6.62 3.62 3.624 14.00 3.00 6.19 0.44 4.57 4.60 7.50 4.25 4.255 16.50 3.62 7.31 0.44 5.66 5.69 9.00 5.12 5.126 19.00 4.25 8.50 0.50 6.72 6.75 10.75 6.00 6.008 21.75 5.00 10.62 0.50 8.72 8.75 12.50 7.00 7.00

10 26.50 6.50 12.75 0.50 10.88 10.92 16.50 9.00 9.0012 30.00 7.25 15.00 0.50 12.88 12.92 18.25 10.00 10.00


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Class 2500

ASME B16.5

17

Min.ThreadLength

T

Dia.Hub atBevel

A

HubDia.

X

BoltCircle

Dia.Holes

No.Holes

WeldingNeck

Slip-onThrd.

Sock. W.Blind

LapJoint

Nominal Size



1.12 0.84 1.69 3.50 0.88 4 7 7 7 7 1/2

1.25 1.05 2.00 3.75 0.88 4 8 8 8 8 3/4

1.38 1.32 2.25 4.25 1.00 4 12 11 11 11 1 1.50 1.66 2.88 5.12 1.12 4 17 16 16 17 1 1/4

1.75 1.90 3.12 5.75 1.25 4 25 22 22 23 1 1/2

2.00 2.38 3.75 6.75 1.12 8 42 38 37 39 2 2.25 2.88 4.50 7.75 1.25 8 52 55 53 56 2 1/2

2.50 3.50 5.25 9.00 1.38 8 94 83 80 86 32.75 4.50 6.50 10.75 1.62 8 145 125 120 135 43.00 5.56 8.00 12.75 1.88 8 245 210 205 225 53.25 6.63 9.25 14.50 2.12 8 380 325 315 345 63.75 8.63 12.00 17.25 2.12 12 580 485 470 530 84.25 10.75 14.75 21.25 2.62 12 1075 930 900 1025 104.75 12.75 17.38 24.38 2.88 12 1525 1100 1100 1300 12

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ASME B16.5 Flanges Robert-James Sales, Inc